The Number

21168

Twenty-One Thousand One Hundred and Sixty-Eight

In Base 11 Undecimal Is

149a411

The numbers with a 11 subscript use Base 11 Undecimal notation.

For more familiar numbers: See Twenty-One Thousand One Hundred and Sixty-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21165
149a111
Twenty-One Thousand One Hundred and Sixty-Five in Base 11 Undecimal
21166
149a211
Twenty-One Thousand One Hundred and Sixty-Six in Base 11 Undecimal
21167
149a311
Twenty-One Thousand One Hundred and Sixty-Seven in Base 11 Undecimal
21169
149a511
Twenty-One Thousand One Hundred and Sixty-Nine in Base 11 Undecimal
21170
149a611
Twenty-One Thousand One Hundred and Seventy in Base 11 Undecimal
21171
149a711
Twenty-One Thousand One Hundred and Seventy-One in Base 11 Undecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

2.1168e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000767660a54211240711

The reciprocal of 21168 in Base 11 Undecimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 149a411 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty-one thousand one hundred and sixty-eight is a composite number with 60 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand one hundred and sixty-eight is a composite number with 60 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number twenty-one thousand one hundred and sixty-eight has the following 3 prime factors:

2
211
Two in Base 11 Undecimal
3
311
Three in Base 11 Undecimal
7
711
Seven in Base 11 Undecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

2114 · 3113 · 7112 = 149a411

Base Conversions

The number twenty-one thousand one hundred and sixty-eight in 35 different bases